1105005550 has 48 divisors (see below), whose sum is σ = 2250137232. Its totient is φ = 400390400.

The previous prime is 1105005547. The next prime is 1105005557. The reversal of 1105005550 is 555005011.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105005557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157722 + ... + 164578.

It is an arithmetic number, because the mean of its divisors is an integer number (46877859).

Almost surely, 2^1105005550 is an apocalyptic number.

1105005550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1105005550 is an abundant number, since it is smaller than the sum of its proper divisors (1145131682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1105005550 is a wasteful number, since it uses less digits than its factorization.

1105005550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7173 (or 7168 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 22.

The square root of 1105005550 is about 33241.6237569707. The cubic root of 1105005550 is about 1033.8435432780.

The spelling of 1105005550 in words is "one billion, one hundred five million, five thousand, five hundred fifty".